Pencil



F. J. KRISTOFEK 1,836,535

PENCIL Filed May 7, 1924 I2 0 ea (or, FYI/1 If JZKrJffy/Q Patented Dec. 15, 1931 UNITED STATES PATENT OFFICE FRANK J. KRISTOFEK, OF ST. PAUL, MINNESOTA, ASSIGNOR TO IBR'OWN & BIGELOW, OF

ST. PAUL, MINNESOTA, A CORPORATION OF'MINNESOTA PENGIL Application. filed May 7, 1924. Serial No. 711,683.

My invention relates to an improvement in pencils, wherein the primary object isto pro vide means to cover the working parts of the encil within the barrel and cap or operating head with a suitable material of the same nature to provide a uniform outer appearance to the pencil in an inexpensive manner and by using the smallest number of parts possible in the completion of the same.

It is also a feature of my invention to provide an eraser cap for the'pencil which is adapted to frictionally engage over the eraser socket to conceal the eraser and socket within the cap and to provide an annular bead projecting from the open end of the cap which forms an ornamental design in relation to the pencil barrel when the cap is in operating position on the same. 1 v

A further object of my invention resides in a pencil wherein a unit lead propellingmeans is held within the pencil barrel in a manner so that the threaded member of the propelling means forms a lead magazine in relation with the pencil barrel when the same is held circumferentially positioned within the barrel. The threaded member is provided with a knurled portion which is positioned adjacent and projects from the rear end of the pencil barrel. This knurled portion is covered by means formed on the eraser cap of the pencil.

The invention also includes an eraser cap which is provided with ornamental means formed therein adapted to engage against a shoulder formed on the propelling member to limit the position of engagement thereon, to cover the same shoulder and the knurled portion together with the rear edge of the pencil barrel to conceal the same underthe cap.

The invention includes other featuresand means which will be more fully set forth within the following specification and claims.

In the drawings forming a part, of this specification Figure 1 is an enlarged side sectional View of my pencil, a portion of which is broken away, a

Figure 2 is a side view of the threaded and magazinemember of the propelling means removed from the pencil barrel,

. Figure 3 is a side view of the operatin member of the propelling means removed from the threaded member and pencil barrel,

7 Figure 4 is an enlarged cross sectional view of the head or cap for the eraser and operating end of the pencil.

' 1n the drawings A represents my pencil which is provided With the barrel 10 formed of metal or other suitable material and at the rear end of which is positioned the operating head with its cap 1] which is turned in a manner to operate the propelling means of my pencil.

The propelling means of my pencil is of a unit construction and is made up of the members 12 and 13 which are held together by means of the spring sleeve lock 14 freely journaled' on the operating head 15 of the member 13 which also constitutes a supporting means for the eraser 16 which is held in a socket formed in the end of the head 15. The locking sleeve 14 frictionally engages within the sleeve end 17 formed and positioned on the member 12 to hold the member 13 against free longitudinal movement in the member 12 and in operating position.

The member 12 is centrally positioned within the pencil barrel 10 in a manner to provide an annular lead magazine 18 about the member 12 and between it and the barrel 10 so that extra marking leads 19 are loosely held positioned in the magazine 18. r

The member 12 is held Within the pencil barrel 10 bythe threaded portion 20 formed on the sleeve portion 17 which engages in the complemental thread, (not shown), formed within the rear end of the pencil barrel 10, to hold the magazine member 12 with its threads fixedagainst movement when in operating position within the pencil barrel.

A knurled portion 21 is formed on the outer end of the sleeve portion 17 which provides suitable means for engaging the member 12 so as to remove it from the encil barrel 10 or to securely lockit within the same. The knurled portion 21 is positioned adjacent "to the rear end 22 of the pencil barrel 10 and projects from the same so that it can be easily engaged.

The cap 11 is formed with a cylindrical portion 23 which frictionally engages over the operating head 15 so as to fix the cap firmly thereto and permit the member 13 to be rotated to operate it with its lead usher and carrier 24 back and forth within t e member 13 to propel and repel the marking lead 19.

Th ap 1 i mo ab e from the. member 1 15 to expose the eraser 1,6 butengagespthe member 15 with suflicient friction to hold the cap against disengagement from the member 13 when it is desired to selectively withdraw the member 13 from the member 12 and pencil barrel without removing the member 12 and to permit the full or partial withdrawal of the member 18 from the pencil A to exposethe knurled portion 21 so that it can be engaged to permit the removal of the portion 12.

The cap 11 is formed with a projecting ornamental bead 25 which is of sullicient size to cover .and conceal the knurled portion;21 and to project over the rearxedge 22 of the pencil barrel 10. In this mannerthe cap, 11 forms a concealing means for the projecting ends of the propelling unit B which is made up ofthe member 12 and 18sothat thecap 11 conceals the same when the parts are n operating position in the pencil.

Theportion 15 is formed with an annular projecting shoulder 26 which limits the inward position or engagement ofthe cylindrical portion23 of the cap 11 on the portion 15.

This prevents the cap 11 from being forced too far onto the rear end of the member .13 and forms a stop against which the inner edge of the bead 25 engages to hold thecapnn position. 7 ,It isvery desirable to provide-pencils of this nature with the barrel 10 and the-capll of precious metal such as gold, silver! and the like, and in such case it is. absolutely essential that the general outward-appearance;of the pencil be entirely uniform to give a finished attractive appearance. This isiully accomplished by means of my cap 11 withits ornamental design to form an engaging head together with the formation of: an ornamental bead of a design adapted toipermit means for coveringv the knurled portion 21 andthe projecting portions ofthe propelling unit. I The peculiar construction of my propelling unit having separable members positioned one-within the other which is removable as: a unit from the pencil barrel or the operating member is selectively and'independently removable from the unit and pencil together with the knurled engaging portion 21 position'ed projecting from the projecting barrel a manner so as to be readily engaged when exposed provides a novel constructionof a very simple nature which is a valuable feature of my invention.

In accordance with the patent statutes I have described the principles of operation of my invention together with the construct-ion which I now consider to represent the best embodiment thereof and while Iwhave illustrated a. particular form in the drawings I desire to have it understood that this is only illustrative and. that .the. invention .can be :Cfllried out ,by'other. means applied to uses other than those above set forth within the scope of the following claims.

, I l i 1 In-a pencil wherein the propelling means isseparable in relation to itself and removable from the pencil barrel and the two-parts of which are ex osed at the rearend ofthe barrel, a shoul er on'. the rearmost of the two said parts, a cap adaptedto engage a, portion of said. rearmost part. against. said shoulder and conceal .the exposed. portion of the other of said parts. i

2. A pencil including a barrel, a lead ropelling unit removably held withinsaid Earrel, said unit being composed of several. mem-. bers held together in operativerelation, a knurled engaging portion formed. on, one of the lllembers ofsaid unit, a shoulder formed on the othermember ofsaid unit, and a cap adapted to. .slide over said last mentioned member into engagement with said shoulder, and having a portion-projecting beyond said shoulder adapted to form a concealing bead adapted to .cover said knurled portion when the cap is in operative position.

A combination with a pencil including a barrel open at-the upper end, a sleeve inserted insaid open end of the barrelhaving a knurled portion abutting-the upper end of; the barrel, and a. ropelling. member inserted insaidsleeve an having a. head. projecting out of the sleeve of a cap having a body portion. adapted to frictionally'tit on saidv head, and having an enlarged portion extending freely beyond the head to conceal the joints between the barrel, sleeve and head, and stop means on the cap and head to limitithe inward movement of the cap,

4:. A cap for a pencil in combination with a pencil part which includes abarrel open at the upper end, a,v sleeve. inserted insaid open end having a knurled portion abutting the upper end of said barrel, a pro .lling member insertable in said sleeve and aving a head projecting out of the same, said cap including a body portion adapted to, frictionallyengage said head and an enlarged portion extending freely beyond said head to conceal the joints between the*bar'rel',"-sleeve and head.

- 5. A pencil including a lead-propelling unit having members positioned onewithin the other and each having portions at the rear exposed-for gripping and theiexpos'ed portion of the inner of the members having an external shoulder substantially s aced from its rear end, and a cap fitted on sai rear end having an interior shoulder to engage said exterior shoulder and limit forward movement and having extension beyond said internal shoulder to cover the gripping portion of the other of said members.

6. A cap for the operating head of the lead-propelling means of a pencil, said cap having a wide covering bead formed annularly in the free edge of said cap and providing a stop shoulder, the operating head having a shoulder to engage therewith to limit the movement of said cap onto the head and which said bead is adapted to cover.

7. A pencil o crating cap including a wide covering bead ormed annularly in the free opened edge of said cap in combination with a barrel and lead operating member for a pencil, the pencil including an annular shoulder formed on said lead operating member adapted to form a stop shoulder for said cap and over which said wide covering bead is adapted .to project, said Wide covering bead having a nature to extend beyond said shoulder on said lead operating member and over the rear edge 01": the pencil barrel.

8. A cap for a pencil of the type in which a propelling means projects out of the rear end of a barrel and an operating member projects out of the rear end of the propelling means, including a front portion adapted to engage snugly upon the end of the operating member, an annular projecting bead formed on the inner edge of said cap having an enlarged nature, said bead having its outer edge enlarged to clear and extend over a portion of the pencil barrel and the propelling means carried by the pencil barrel.

FRANK J. KRISTOFEK. 

